Convex and Starlike Functions Defined on the Subclass of the Class of the Univalent Functions S with Order 2(- r)
Abstract
In this paper, some conditions have been improved so that the function g(z) is defined as g(z) = 1+ Sigma(infinity)(k >= 2) alpha n+k(zn+k), which is analytic in unit disk U, can be in more specific subclasses of the S class, which is the most fundamental type of univalent function. It is analyzed some characteristics of starlike and convex functions of order 2(-r).
Volume
19Issue
4Collections
Related items
Showing items related by title, author, creator and subject.
-
Comparative assessment of the effects of dobutamine and levosimendan on right ventricular ejection fraction in patients with biventricular heart failure
Kaplangoray, Mustafa; Aydın, Cihan (Limited Liability Company KlinMed Consulting, 2023)Aim The primary objective of this study was to comparatively assess the effects of levosimendan and dobutamine on RVEF, right ventricular diastolic function, and hormonal balance in patients with biventricular heart failure. ... -
On a subclass of the generalized janowski type functions of complex order
Kılıç, Ö.Ö.; Eroğlu, Nuray (Hacettepe University, 2020)In this paper, we introduce the class ?R? b (?, ?, ?, A,B) of generalized Janowski type functions of complex order defined by using the Ruscheweyh derivative operator in the open unit disc D = {z ? ?: |z| < 1}. The bound ... -
AN INVESTIGATION ON GEOMETRIC PROPERTIES OF ANALYTIC FUNCTIONS WITH POSITIVE AND NEGATIVE COEFFICIENTS EXPRESSED BY HYPERGEOMETRIC FUNCTIONS
Akyar, Alaattin; Mert, Oya; Yıldız, İsmet (Honam Mathematical Soc, 2022)This paper aims to investigate characterizations on parameters k(1), k(2), k(3), k(4), k(5), l(1), l(2), l(3), and l(4) to find relation between the class of H(k, l, m, n, o) hypergeometric functions defined by F-5(4) [(l1, ...